A tineid moth, Gaphara conspersa (Matsumura, 1931) is newly reported in Korea. Gaphara conspersa is myrmecophilous, associated with some species of ants such as Lasius (Lasius) japonicus, L. (Dendrolasius) spp., Polyrhachis spp., Camponotus spp., Pristomyrmex punctatus was known in Japan. The larva lives in a 8-shaped or gourd-shaped flat case are made of soil and sand. Larva scavenges food, dead ants and shed skins of ant larvae that are carried out by ants. Females lays eggs around the nests (Maruyama et al., 2013). In this study, Gaphara conspersa (Matsumura, 1931) was found for the first time from Korea. The larvae were collected in the ant nests at Mt. Cheonggye, Geumto-dong, Seongnam City, in 22. May 2013 and 16. June 2013. The larval cases have three level sizes (small, middle and large) were found at the same time. Figures of the adults, larvae and pupae, are given in this study.